http://news.sina.com.tw/magazine/article/9270.html

http://www.nownews.com/n/2013/09/17/950252

http://news.stheadline.com/dailynews/headline_news_detail_columnist.asp?id=213512&section_name=wtt&kw=136

http://paper.wenweipo.com/2011/01/01/WY1101010001.htm

東華三院屯門綜合服務中心
課餘託管導師

http://www.mathsisfun.com/algebra/logarithms.html